Introducing the Lightest Cardboard Box for Non-Standard Mail: Only 28g!
New Lightweight Cardboard Box for Non-Standard Mail
Earth Cardboard Co., Ltd., a Japanese company specializing in manufacturing and selling cardboard packaging products, has announced the release of its new lightweight cardboard box designed specifically for non-standard mail. Starting from July 10, 2026, the "[A6/Thickness 2cm/White Surface] Standard Cardboard Box Small" will be available for purchase through their official online store.
For more details, visit: Earth Cardboard Official Site
The Importance of Weight in Shipping
When using non-standard mail services, shipping costs vary based on both the dimensions and weight of the package. Therefore, reducing weight has become a crucial factor for many businesses during the shipping process. For instance, as of August 2026, the cost for shipping non-standard mail within specified dimensions is 140 yen for packages weighing up to 50g and 180 yen for those up to 100g.
Given that shipping rates can change significantly with just a 1g difference, Earth Cardboard has prioritized lighter packaging. Customers often inquire about specifications that would allow them to minimize shipping expenses, prompting the company to innovate with a lighter cardboard core material that is about 30% lighter than the previous one.
Unveiling the New Design
The new cardboard box weighs only 28g, a reduction of 3g compared to the previous model which weighed 31g. This change is a significant step in optimizing logistics, as even a minimal weight difference can influence the shipping costs. For example, if a package weighs 51g instead of 50g, the additional shipping cost could amount to 40 yen. Sending out a single package may seem trivial, but if a business ships 100 items, that can equate to a costly 4,000 yen increase.
By maintaining the box's surface and overall strength while only changing the internal structure, Earth Cardboard is addressing both customer needs and shipping efficiency.
Product Details
- - Product ID: 0528
- - Name: [A6/Thickness 2cm/White Surface] Standard Cardboard Box Small
- - Material: White C5/Inner Core 80g/C5
- - Thickness: G/F (0.9mm thick)
- - Color: White surface/Brown back
- - Weight: 28g
- - Internal Dimensions: 158×115×15mm
- - External Dimensions: 164×119×19mm
- - Release Date: July 10, 2026
- - Official Online Price: Starting from 21 yen (including tax)
Commitment to Quality and Technology
Earth Cardboard has a longstanding reputation for engineering high-quality packaging solutions, as they emphasize the value of customer feedback. Since its founding over 70 years ago, the company has leveraged its expertise to contribute to the success of its clients. It has actively engaged in initiatives that support sustainable development goals (SDGs) and has been recognized with accolades for advancements in IT.
The firm aims to continue presenting innovative solutions that align with future needs, enhancing its online market presence while maintaining credibility and trust.
Exploring Print Options on Cardboard Boxes
Earth Cardboard also offers full-color printing services on cardboard boxes for those looking to customize their packaging. Visit here for more information.
About Earth Cardboard Co., Ltd.
Established in 1953 and operating for 73 years, Earth Cardboard specializes in the planning, manufacturing, and online sales of cardboard products. With factories in Saitama and Fukuoka, the company provides a wide range of over 4,000 types of cardboard and offers custom measurements with rapid quotes. They have also adopted advanced inkjet full-color printing technology, meeting various customer needs flexibly.
- - Headquarters: 7-17 Nishikobari, Ina Town, Kitakatsushika District, Saitama Prefecture 362-0811
- - Rasuda Factory: 620-22 Inuma, Hasuda City, Saitama Prefecture 349-0135
- - Kyushu Factory: 1685 Ikeda, Munakata City, Fukuoka Prefecture 811-3515
- - Represented By: President Toshimitsu Okuda
- - Phone: 048-728-9202
- - Business: Manufacture and sale of packaging materials centered on cardboard
- - Website: Earth Cardboard
Contact Information for Inquiries
- - Company: Earth Cardboard Co., Ltd.
- - Contact Person: Product Planning Manager Daisuke Okuda
- - Phone: 048-728-9202
- - Email: [email protected]
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Topics Consumer Products & Retail）
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